The student ________from the training somuch that he was ________the first prize in the event.

If you run _____ two rabbits at a time, there’s a good possibility that you can catch neither.

I soon found that the work I was doing hadalready been done by someone else. _______, I was wasting my time.

Shanghai, China’s biggest and the most dynamic city, which______ in the Yangtze River Delta, is playing a leading role in the country’s economy

Only after my friend came .